3.5mm MALE Bullet Power Connectors (for ESC/MOTOR) [Acuvance] OP-15001
Set of 3 Power Connector Bullets. These feature a 3.5mm size for easy installation. You can plug the male in from either side of the motor.
This allows you to hot swap motors on the spot for tuning without the need for a soldering iron(you can do all your prep ahead of time)
Make sure to grab a set of male connectors to complete your setup.